What powers ursinaengine.org?
Last seen Oct 2026 · 4 technologies across 4 categories
Caching
Varnish
since Mar 2020
CDN
Fastly
since Mar 2020
Miscellaneous
Open Graph
since Sep 2022
PaaS
GitHub Pages
since Mar 2020
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 69% desktop
- 29% phone
- 2% tablet
India
Russia
Brazil
United Kingdom
France
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.98 / 10 · ranked #3,641,335 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 0.3 MB · 14 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153, IPv6)
- DNS: hyp.net
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 10,364,557, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted